Final Check Gaming Build

Well they will all work together if that's what your asking. I'd go the Intel route myself with something like this:
https://www.aria.co.uk/SuperSpecials/Other+products/Int...
and this:
https://www.aria.co.uk/SuperSpecials/Other+products/ASU...
the above examples are approximately the same cost as the items you picked out. The cpu is a lower end Sandy Bridge but as you can see from this chart:
http://www.tomshardware.com/reviews/gaming-sandy-bridge...
it ranks near the top. If your goal is to stay in the same budget that's the way I'd go. If there's room for more I'd go with this:
https://www.aria.co.uk/SuperSpecials/Other+products/Int...
Just my opinion - hope it helps.  

Thanks for the advice but I'm going to stick with AMD  

So my old hard drive will work with this build? what would you suggest i do to wipe it?

Thanks for the help

When you install your new os you can just chose to reformat it. You'll have that option with windows 7 if that's what you are using.

changed the GPU to this

http://www.aria.co.uk/SuperSpecials/Other+products/Giga...

as the XFX hd6870 was commonly reviewed as being very loud with a crap fan.

additionally gone for this PSU:

http://www.aria.co.uk/Products/Components/Power+Supplie...

would this affect compatibility at all?

thanks for the advice

They are still compatible but you're near to the minimum required watts with that GPU. Not much leeway. I'd go a bit bigger if you can swing it.

Probably because of "the XFX hd6870 was commonly reviewed as being very loud with a crap fan". I'm just guessing.

Changed my mind on the GTX after further research. It's now between the

ASUS HD 6850 Direct CU £82
http://www.aria.co.uk/Products/Components/Graphics+Card...


and the

Sapphire HD 6870 £114
http://www.amazon.co.uk/gp/product/B004R7MTPQ/ref=s9_si...

my aim is to be able to play bf3 comfortably my screen is not particularly high resolution so should i go for the 6850 and upgrade in the future?

thanks

See if this chart helps you any:
http://www.tomshardware.com/reviews/gaming-graphics-car...
This is recent.  

right sorted this stuff out. Scan now have it in stock with a quiter GPU.

http://www.scan.co.uk/savedbasket/849b99d9b75245f2a20f6...

everything look okay?

sorry to be a pain want to get it right.

thanks

Looks fine to me - good luck with your build.